my understanding of atomicity is either not done or finished. A variable with atomic operations atomic < int > gCounter; . There are two threads that perform write operations on gCounter . If these two threads happen to perform write operations at t...
Local variables in CPP must be initialized first, but the following code outputs 0. I don t know why? -sharpinclude<iostream> using namespace std; int main(){ int a; cout << a << endl; return 0; } ...
The scenario is the operation of a Huffman coding tree. The so-called Huffman coding is to re-encode the characters in the text with 0 and 1 in a certain way, in which more characters use fewer digits. For example, the letter e appears a lot in this tex...
I have recently used GPUImage to do the beauty function. The name of the class has been changed to prevent conflicts, but some global variables have not been noticed and have not been renamed. What we do is the SDK static library, as a result, after I g...
the company s products are mainly for security. I have only just arrived at the company. Due to the lack of people here, I am now in charge of the company s public service (technical level), which is a bit similar to the structure. I have no relevant e...
topic description run the main function and look at the output (the answer should be 0 448) topic source edu training course related code (part provided in the title) the following is the content of LinkedList.h class LinkedList { public: ...
topic description enter a list of intervals represented by tuples of two elements. Find out the interval with the least number of overlaps. example: enter [(1.1,10.1), (2.1) 10.1), (3.110.1], because (1.1,2.1) repeats once, (2.1,3.1) repeats twice, (...
< H1 > in Ubuntu 18.04 STL under Clion 2018.3 < H1 > when running the program, the program standard input and output ( stdin stdout ) is input and output on the built-in command console of IDE. sometimes the input data is long, and you don t bother...
as follows, the main thread calls push () , and the second thread front () reads the head of the queue, and the team is busy when it is empty. As a result, line 11 front () reported an error deque iterator not dereferencable . After taking a look ...
problem description as shown in the figure, no matter how my vscode, vector, map changes when debugging, it only shows size=0 the platform version of the problem and what methods you have tried related codes Please paste the code text belo...
-sharpinclude <stddef.h> -sharpinclude <stdint.h> -sharpinclude <stdio.h> -sharpinclude <memory> -sharpinclude <utility> -sharpinclude <vector> ... compilation error is as follows: fatal error C1083: Cannot open incl...
describes the compile () function to compile a string into bytecode. Syntax the following is the syntax of the compile () method: compile (source, filename, mode [, flags [, dont_inherit]]) parameter source-- string or AST (Abstract Syntax Tree...
int* some = new int[5]; int* ssome = new int[5](); if written as new int () [5] , I can understand it this way: generate space in the heap area that can hold five instances of int classes generated by a non-parameterized constructor of type int. ...
-sharpinclude <iostream> using namespace std; int main() { int x = 0; int y = 0; int input = 0; cout << "Input a number:" << endl; cin >> input; input ? PPy, PPx : --x, --y; cout <<...
CPP Primer Plus Chapter 7 exercise 2: requires the user to enter up to 10 golf products and store them in an array. The program allows the user to finish typing early, display all scores on one line, and then report the GPA. Please use 3 array process...
problem description you need to implement a distributed system that collects logs and data on a value data server. Is there a good solution without using messaging frameworks such as Kafka? ...
projects all use modern CPP,. In principle, they don t have bare pointers. They all use STL smart pointers . but in the library used, there is a function that asks for a T * *, and unique_ptr itself does not provide a reference to return the encapsula...
1. As far as we know, IE on windows is implemented using AtiveX. 2.NPAPI is about to be abandoned, PPAPI Google is about to be abandoned, and there is no way to embed this plug-in model. 3. Now there are WebGL and other technologies to achieve complex ...
topic description The topic is to use the new operator to allocate memory for an array of 10 integers, then enter 10 integers from the keyboard, use bubbles to sort the output, and free up memory. sources of topics and their own ideas related code...
In SGI STL, unused memory is mounted as a linked list in free_list . If there is enough memory in free_list , it is returned directly. However, memory recycling is not necessarily in the order in which memory is requested, which leads to the fact that...
whether the request for leave can be implemented with a normal request, and why the workflow should be used. whether money transfer is also done with workflow, and what kind of business needs workflow to do. ...
Is the css variable popular now? what is the compatibility of browsers? On which website can I see compatibility ? ...
in Wechat s payment callback, after I successfully processed it, I directly return success Wechat reported an error error example: transaction_id=4200000217201810305986075380] > < return_code > < return_msg > < return_msg > < xml >] I...
use node-archiver module to package and compress in koa is there a boss who knows how to solve the problem? ...
the Wap page rendered by jsp needs to be replaced with a new navigation. Can this navigation (including login logout functions) be written in react and put into jsp? How to use it? ...